英语词汇“elevator dredge”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	elevator dredge
释义	elevator dredge elevator dredge [′el·ə‚vād·ər ‚drej] (mechanical engineering) A dredge which has a chain of buckets, usually flattened across the front and mounted on a nearly vertical ladder; used principally for excavation of sand and gravel beds under bodies of water.
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